Eastwards means towards the east. It is almost the same as eastward, but it is used as an adverb: it tells you which way something moves or looks — we drove eastwards; the land falls eastwards to the sea.

Eastwards means towards the eastEastwards的意思是「朝東」。It is almost the same as eastward它跟eastward幾乎一樣，but it is used as an adverb不過它是當副詞用：it tells you which way something moves or looks它告訴你某個東西移動或朝向的方向——we drove eastwardswe drove eastwards（我們往東開）；the land falls eastwards to the seathe land falls eastwards to the sea（這片地往東傾斜到海邊）。

British English likes eastwards a little more than American English does. You will not often hear “an eastwards train”; people say an eastbound train or an eastward journey instead.

British English likes eastwards a little more than American English does英式英語比美式英語更喜歡用eastwards。You will not often hear "an eastwards train"你不太會聽到「an eastwards train」這種說法；people say an eastbound train or an eastward journey instead人們會改說an eastbound train或an eastward journey。

So the extra s does not make a new meaning. It is only a slightly different coat on the same direction word.

So the extra s does not make a new meaning所以多出來的那個s並不會產生新的意思。It is only a slightly different coat on the same direction word它只是同一個方向詞外面披的一件稍微不同的外套。

In everyday talk, go east is still the simplest. Use eastwards when you want that “moving in that direction” feel, not when you mean a person from the east, and not when you mean the furthest east point.

In everyday talk在日常說法裡，go east is still the simplestgo east還是最簡單的說法。Use eastwards when you want that "moving in that direction" feel想表達「朝那個方向移動」的感覺時就用eastwards，not when you mean a person from the east不是用來指「來自東方的人」，and not when you mean the furthest east point也不是用來指「最東邊的那一點」。